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22-09-2020
Mathematics

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what is the 6th term of an arithmetic sequence with a9 = 120 and a14 = 195?

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22-09-2020

Step-by-step explanation:

a9 = 120 ----> a + 8d = 120

a14 = 195 ---> a + 13d = 195

subtract them

5d = 75

d = 15

then a+8(15) = 120

a = 0

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